2006-06-15 Sebastien Pouliot <sebastien@ximian.com>

	* CryptoTools.cs: Fix offset in block processor. This fix the HMAC
	algorithms when large buffer where used (with multiple calls to
	TransformBlock).


svn path=/branches/mono-1-1-13/mcs/; revision=61799

mcs/class/Mono.Security/Mono.Security.Cryptography/ChangeLog

@@ -1,3 +1,9 @@
+2006-06-15  Sebastien Pouliot  <sebastien@ximian.com>
+
+	* CryptoTools.cs: Fix offset in block processor. This fix the HMAC
+	algorithms when large buffer where used (with multiple calls to
+	TransformBlock).
+
 2006-02-28  Sebastien Pouliot  <sebastien@ximian.com>
 
 	* CryptoConvert.cs: Make sure we can import a keypair into our RSA 

mcs/class/Mono.Security/Mono.Security.Cryptography/CryptoTools.cs

@@ -9,6 +9,8 @@
 // (C) 2004 Novell (http://www.novell.com)
 //
 
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
 //
 // Permission is hereby granted, free of charge, to any person obtaining
 // a copy of this software and associated documentation files (the
@@ -124,7 +126,7 @@ public void Core (byte[] rgb, int ib, int cb)
 				// 3. transform any other full block in specified buffer
 				int b = (int) ((cb - n) / blockSize);
 				for (int i=0; i < b; i++) {
-					transform.TransformBlock (rgb, n, blockSize, block, 0);
+					transform.TransformBlock (rgb, n + ib, blockSize, block, 0);
 					n += blockSize;
 				}